CN106242093A - A kind of water process corrosion inhibiting and descaling agent and its preparation method and application - Google Patents
A kind of water process corrosion inhibiting and descaling agent and its preparation method and application Download PDFInfo
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- CN106242093A CN106242093A CN201610891766.2A CN201610891766A CN106242093A CN 106242093 A CN106242093 A CN 106242093A CN 201610891766 A CN201610891766 A CN 201610891766A CN 106242093 A CN106242093 A CN 106242093A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/105—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances combined with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a kind of water process corrosion inhibiting and descaling agent and its preparation method and application, this corrosion inhibiting and descaling agent, it is made up of according to the raw material of weight portion following: naphthenic oil 11 19 parts, cumyl peroxide 28 parts, Isosorbide-5-Nitrae cyclohexane diisocyanate 5 13 parts, sodium bentonite 23 30 parts, Fructus Tritici Levis 32 40 parts.Pulverized by Fructus Tritici Levis, decoction and alcohol sedimentation technique prepares condensed cream；Add 65% ethanol again, heat up and add Isosorbide-5-Nitrae cyclohexane diisocyanate and stir to obtain mixture A；Sodium bentonite is mixed with naphthenic oil, adds cumyl peroxide solution heat treatment and prepare mixture B；Mixture A is mixed through a series of heat treatments with mixture B and get final product.Scale inhibition efficiency of the present invention is high, corrosion inhibition is good, and usage amount is few, and scale inhibition processing procedure is simple and effect is obvious；The most phosphorous, to environment nontoxic pollution-free, production technology is simple, low cost.
Description
Technical field
The present invention relates to water-treatment technology field, specifically a kind of water processs corrosion inhibiting and descaling agent and preparation method thereof with answer
With.
Background technology
Due to the worsening shortages of freshwater resources, industrial colling treatment agent is increasingly subject to people's attention.Organic phosphine
Acid is a now widely used class water treatment agent, and it is the exploitation of external the mid-1960s, at the class water being identified the seventies
Reason agent, have good chemical stability, heat-resisting quantity and have that consumption is few concurrently, the feature such as inhibition and scale effect.Additionally, it is organic
Phosphonic acids has the sequestering power of excellence to many metal ions, and they solve system and produce the problem of calcium carbonate scale, and C-P key is deposited
Make its stable chemical performance, more high temperature resistant, having substantially " threshold effect " and " cooperative effect ".Its defect is that organic phospho acid can not
Calcium phosphate scale, zinc dirt and the ferrum oxide deposition problems effectively produced in suppression phosphorus system and phosphorus zinc system water treatment formula, phosphorous useless
Water discharge causes body eutrophication and marine red tide problem.Abroad having been carried out limiting phosphorus or prohibiting phosphorus measure, China advocates the most energetically
Low-phosphorous and exploitation without phosphorus product.In existing corrosion inhibiting and descaling agent, phosphorus content is higher and complicated components, and concentration is high, compounding to be added
Amount is big, it is compounding to be difficult to and is difficult to detect and operate.
Summary of the invention
It is an object of the invention to provide a kind of scale inhibition efficiency is high, corrosion inhibition is good water process corrosion inhibiting and descaling agent and
Preparation method and application, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of water process corrosion inhibiting and descaling agent, is made up of according to the raw material of weight portion following: naphthenic oil 11-19 part, peroxidating two
Isopropylbenzene 2-8 part, 1,4-cyclohexane diisocyanate 5-13 part, sodium bentonite 23-30 part, Fructus Tritici Levis 32-40 part.
As the further scheme of the present invention: described water process corrosion inhibiting and descaling agent, by the following raw material according to weight portion
Composition: naphthenic oil 13-17 part, cumyl peroxide 4-6 part, 1,4-cyclohexane diisocyanate 7-11 part, sodium bentonite
25-28 part, Fructus Tritici Levis 34-38 part.
As the further scheme of the present invention: described water process corrosion inhibiting and descaling agent, by the following raw material according to weight portion
Composition: naphthenic oil 15 parts, cumyl peroxide 5 parts, 1,4-cyclohexane diisocyanate 9 parts, sodium bentonite 26 parts, floating little
36 parts of wheat.
Another object of the present invention is to provide the preparation method of a kind of water process corrosion inhibiting and descaling agent, comprises the steps of:
1) after being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is volumetric concentration
It is the ethanol of 58%；In condensed cream, add 65% ethanol of its quality 10 times, after stirring, be warming up to 72 DEG C, and add Isosorbide-5-Nitrae-
Cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A；
2) 75% ethanol of cumyl peroxide with its quality 7 times is mixed, prepare cumyl peroxide solution；By sodio
Bentonite mixes with naphthenic oil solution, and stir process 20-25min at a temperature of 55-58 DEG C, is subsequently adding peroxidating two different
Propyl benzene solution, and it is warming up to 66-68 DEG C, stir 30min, prepare mixture B；
3) mixture A is mixed with mixture B, then heat to 140-142 DEG C, and stir process 30min at such a temperature, so
After be warming up to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then be warming up to 200 DEG C and process 2h under nitrogen atmosphere i.e.
Obtain corrosion inhibiting and descaling agent.
Another object of the present invention is to provide the application in water processes of the described corrosion inhibiting and descaling agent.
Compared with prior art, the invention has the beneficial effects as follows:
Present invention scale inhibition efficiency under the interaction of each raw material is high, corrosion inhibition is good, and usage amount is few, and scale inhibition processing procedure is simple
And effect is obvious；The most phosphorous, to environment nontoxic pollution-free；Component safety and environmental protection, production technology are simple, abundant raw material source, multiple
Join simple, low cost, it is adaptable to industrial circulating cooling water process field.The present invention applies when industrial circulating cooling water system,
Under embodiment condition of water quality, when added amount of chemical is 20mg/L, corrosion of carbon steel rate is less than the 0.075mm/a of national regulations, resistance
Dirt rate reaches more than 99%.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
The moisturizing water quality used in following set of embodiment is as shown in table 1.
The moisturizing water quality of embodiment respectively organized by table 1
Embodiment 1
In the embodiment of the present invention, a kind of water process corrosion inhibiting and descaling agent, it is made up of according to the raw material of weight portion following: naphthenic oil 11
Part, cumyl peroxide 2 parts, 1,4-cyclohexane diisocyanate 5 parts, sodium bentonite 23 parts, Fructus Tritici Levis 32 parts.
After being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is that volume is dense
Degree is the ethanol of 58%；In condensed cream, add the ethanol that volumetric concentration is 65% of its quality 10 times, be warming up to after stirring
72 DEG C, and add Isosorbide-5-Nitrae-cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A.By different for peroxidating two
Propyl benzene mixes with the ethanol that volumetric concentration is 75% of its quality 7 times, prepares cumyl peroxide solution；By sodium bentonite
Mix with naphthenic oil solution, and stir process 20min at a temperature of 55 DEG C, it is subsequently adding cumyl peroxide solution, and
It is warming up to 66 DEG C, stirs 30min, prepare mixture B.Mixture A is mixed with mixture B, then heats to 140 DEG C, and
Stir process 30min at a temperature of Gai, then heats to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then is warming up to 200
DEG C and under nitrogen atmosphere process 2h i.e. obtain corrosion inhibiting and descaling agent.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 99%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.018mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
Embodiment 2
In the embodiment of the present invention, a kind of water process corrosion inhibiting and descaling agent, it is made up of according to the raw material of weight portion following: naphthenic oil 19
Part, cumyl peroxide 8 parts, 1,4-cyclohexane diisocyanate 13 parts, sodium bentonite 30 parts, Fructus Tritici Levis 40 parts.
After being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is that volume is dense
Degree is the ethanol of 58%；In condensed cream, add 65% ethanol of its quality 10 times, be warming up to 72 DEG C after stirring, and add 1,
4-cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A.By cumyl peroxide and its quality 7
75% ethanol mixing again, prepares cumyl peroxide solution；Sodium bentonite is mixed with naphthenic oil solution, and at 58 DEG C
At a temperature of stir process 25min, be subsequently adding cumyl peroxide solution, and be warming up to 68 DEG C, stir 30min, prepare
Mixture B.Mixture A is mixed with mixture B, then heats to 142 DEG C, and stir process 30min at such a temperature, then
It is warming up to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then is warming up to 200 DEG C and processes 2h under nitrogen atmosphere and get final product
Corrosion inhibiting and descaling agent.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 99%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.017mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
Embodiment 3
In the embodiment of the present invention, a kind of water process corrosion inhibiting and descaling agent, it is made up of according to the raw material of weight portion following: naphthenic oil 13
Part, cumyl peroxide 4 parts, 1,4-cyclohexane diisocyanate 7 parts, sodium bentonite 25 parts, Fructus Tritici Levis 34 parts.
After being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is that volume is dense
Degree is the ethanol of 58%；In condensed cream, add 65% ethanol of its quality 10 times, be warming up to 72 DEG C after stirring, and add 1,
4-cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A.By cumyl peroxide and its quality 7
75% ethanol mixing again, prepares cumyl peroxide solution；Sodium bentonite is mixed with naphthenic oil solution, and at 55-58
Stir process 22min at a temperature of DEG C, is subsequently adding cumyl peroxide solution, and is warming up to 67 DEG C, stirs 30min, system
Obtain mixture B.Mixture A is mixed with mixture B, then heats to 141 DEG C, and stir process 30min at such a temperature, so
After be warming up to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then be warming up to 200 DEG C and process 2h under nitrogen atmosphere i.e.
Obtain corrosion inhibiting and descaling agent.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 100%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.032mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
Embodiment 4
In the embodiment of the present invention, a kind of water process corrosion inhibiting and descaling agent, it is made up of according to the raw material of weight portion following: naphthenic oil 17
Part, cumyl peroxide 6 parts, 1,4-cyclohexane diisocyanate 11 parts, sodium bentonite 28 parts, Fructus Tritici Levis 38 parts.
After being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is that volume is dense
Degree is the ethanol of 58%；In condensed cream, add 65% ethanol of its quality 10 times, be warming up to 72 DEG C after stirring, and add 1,
4-cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A.By cumyl peroxide and its quality 7
75% ethanol mixing again, prepares cumyl peroxide solution；Sodium bentonite is mixed with naphthenic oil solution, and at 55-58
Stir process 22min at a temperature of DEG C, is subsequently adding cumyl peroxide solution, and is warming up to 67 DEG C, stirs 30min, system
Obtain mixture B.Mixture A is mixed with mixture B, then heats to 141 DEG C, and stir process 30min at such a temperature, so
After be warming up to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then be warming up to 200 DEG C and process 2h under nitrogen atmosphere i.e.
Obtain corrosion inhibiting and descaling agent.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 100%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.012mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
Embodiment 5
In the embodiment of the present invention, a kind of water process corrosion inhibiting and descaling agent, it is made up of according to the raw material of weight portion following: naphthenic oil 15
Part, cumyl peroxide 5 parts, 1,4-cyclohexane diisocyanate 9 parts, sodium bentonite 26 parts, Fructus Tritici Levis 36 parts.
After being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is that volume is dense
Degree is the ethanol of 58%；In condensed cream, add 65% ethanol of its quality 10 times, be warming up to 72 DEG C after stirring, and add 1,
4-cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A.By cumyl peroxide and its quality 7
75% ethanol mixing again, prepares cumyl peroxide solution；Sodium bentonite is mixed with naphthenic oil solution, and at 55-58
Stir process 22min at a temperature of DEG C, is subsequently adding cumyl peroxide solution, and is warming up to 67 DEG C, stirs 30min, system
Obtain mixture B.Mixture A is mixed with mixture B, then heats to 141 DEG C, and stir process 30min at such a temperature, so
After be warming up to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then be warming up to 200 DEG C and process 2h under nitrogen atmosphere i.e.
Obtain corrosion inhibiting and descaling agent.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 100%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.010mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
Comparative example 1
Except not containing Fructus Tritici Levis, its formula and preparation process are consistent with embodiment 5.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 65%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.080mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
Comparative example 2
Containing only Fructus Tritici Levis, its formula and preparation process are consistent with embodiment 5.
Moisturizing water quality: Ma Gang coke-oven plant moisturizing, added amount of chemical is 20mg/L.
Scale inhibition is tested: measure scale inhibition performance by Bubbling method.Test water adds medicament, at test temperature 60 DEG C after concentrating 1.5 times
Starting experiment, quickening air blasts speed and is concentrated into 5 times and keeps 10h.Measuring scale inhibition performance is 16%.
Corrosion experiment: measure rate of corrosion by standard rotary hanging plate method.Add medicament toward test water, open at test temperature 50 DEG C
Begin to test, be then concentrated into 5 times and keep 96h.It is 0.13mm/a that measuring obtains A3 carbon steel dosing rate of corrosion.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (5)
1. a water process corrosion inhibiting and descaling agent, it is characterised in that be made up of according to the raw material of weight portion following: naphthenic oil 11-
19 parts, cumyl peroxide 2-8 part, 1,4-cyclohexane diisocyanate 5-13 part, sodium bentonite 23-30 part, Fructus Tritici Levis
32-40 part.
Water process corrosion inhibiting and descaling agent the most according to claim 1, it is characterised in that by the following raw material according to weight portion
Composition: naphthenic oil 13-17 part, cumyl peroxide 4-6 part, 1,4-cyclohexane diisocyanate 7-11 part, sodium bentonite
25-28 part, Fructus Tritici Levis 34-38 part.
Water process corrosion inhibiting and descaling agent the most according to claim 2, it is characterised in that by the following raw material according to weight portion
Composition: naphthenic oil 15 parts, cumyl peroxide 5 parts, 1,4-cyclohexane diisocyanate 9 parts, sodium bentonite 26 parts, floating little
36 parts of wheat.
4. the preparation method of the water process corrosion inhibiting and descaling agent as described in claim 1-3 is arbitrary, it is characterised in that by with
Lower step forms:
1) after being pulverized by Fructus Tritici Levis, use decoction and alcohol sedimentation technique, prepare condensed cream；Wherein the alcohol in decoction and alcohol sedimentation technique is volumetric concentration
It is the ethanol of 58%；In condensed cream, add 65% ethanol of its quality 10 times, after stirring, be warming up to 72 DEG C, and add Isosorbide-5-Nitrae-
Cyclohexane diisocyanate, at such a temperature stir process 1h, prepare mixture A；
2) 75% ethanol of cumyl peroxide with its quality 7 times is mixed, prepare cumyl peroxide solution；By sodio
Bentonite mixes with naphthenic oil solution, and stir process 20-25min at a temperature of 55-58 DEG C, is subsequently adding peroxidating two different
Propyl benzene solution, and it is warming up to 66-68 DEG C, stir 30min, prepare mixture B；
3) mixture A is mixed with mixture B, then heat to 140-142 DEG C, and stir process 30min at such a temperature, so
After be warming up to 180 DEG C, and stir process 30min under an atmosphere of hydrogen, then be warming up to 200 DEG C and process 2h under nitrogen atmosphere i.e.
Obtain corrosion inhibiting and descaling agent.
5. the application in water processes of the corrosion inhibiting and descaling agent as described in claim 1-3 is arbitrary.
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Application publication date: 20161221 |